Base | Representation |
---|---|
bin | 111001111001010100… |
… | …1101101100110000101 |
3 | 102212220210000202011220 |
4 | 1303302221231212011 |
5 | 4014112001331341 |
6 | 133041053350553 |
7 | 11661005312610 |
oct | 1636251554605 |
9 | 385823022156 |
10 | 124330105221 |
11 | 48801115283 |
12 | 20119a98459 |
13 | b9553176ca |
14 | 6036469177 |
15 | 337a1d4a66 |
hex | 1cf2a6d985 |
124330105221 has 16 divisors (see below), whose sum is σ = 192666508800. Its totient is φ = 69841608048.
The previous prime is 124330105213. The next prime is 124330105223. The reversal of 124330105221 is 122501033421.
It is not a de Polignac number, because 124330105221 - 23 = 124330105213 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 124330105191 and 124330105200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124330105223) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50172331 + ... + 50174808.
It is an arithmetic number, because the mean of its divisors is an integer number (12041656800).
Almost surely, 2124330105221 is an apocalyptic number.
It is an amenable number.
124330105221 is a deficient number, since it is larger than the sum of its proper divisors (68336403579).
124330105221 is a wasteful number, since it uses less digits than its factorization.
124330105221 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100347208.
The product of its (nonzero) digits is 1440, while the sum is 24.
Adding to 124330105221 its reverse (122501033421), we get a palindrome (246831138642).
The spelling of 124330105221 in words is "one hundred twenty-four billion, three hundred thirty million, one hundred five thousand, two hundred twenty-one".
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